Answer:
9 years.
Step-by-step explanation:
Make x the number of years passed.
12 + 4x = 39 + x
27 = 3x
x = 9
Step-by-step explanation:
where are the triangles
If you are writing in slope-intercept form:
You first find the slope.
Put the slope in the equation.
Substitute any point into the equation and find the y-intercept.
Answer:
The slope of line A is C. 2
Step-by-step explanation:
You can check the slope by dividing the rise (how many units up) and the run (how many units across). This line has a rise of rise of 4 and a run of 2. Diving 4 by 2 gives you a slope of 2.